Hamburg, IA Weather & Growing Conditions
Tonight
43°F
Cloudy
Cloudy. Low around 43, with temperatures rising to around 45 overnight. Northwest wind 14 to 17 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Cloudy | 14 to 17 mph NW | 7% |
| Wednesday | 52°F | Mostly Cloudy | 9 to 15 mph WNW | 6% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph WNW | 15% |
| Thursday | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NW | 15% |
| Thursday Night | 39°F | Mostly Cloudy | 8 mph NNW | 2% |
| Friday | 52°F | Partly Sunny | 1 to 6 mph N | 0% |
| Friday Night | 33°F | Mostly Cloudy | 1 mph E | 0% |
| Saturday | 55°F | Mostly Sunny | 3 mph SSW | 1% |
| Saturday Night | 37°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 62°F | Sunny | 3 mph WSW | 0% |
| Sunday Night | 40°F | Clear | 1 to 5 mph SSW | 0% |
| Monday | 67°F | Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 66°F | Mostly Sunny | 3 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hamburg, IA
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
182 days
Hardiness zone
5b
Explore more for Hamburg, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sidney 1Sse, Ia (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.